Alert archive / Texas / Mesoscale Discussions in 2007
Mesoscale Discussion 765
The Storm Prediction Center issued this mesoscale discussion at May 9, 2007, 5:53 PM CDT for 27 counties in Texas. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- May 9, 2007, 5:53 PM CDT (22:53 UTC)
- Expired
- May 9, 2007, 7:30 PM CDT
- In force
- 97 min
- Issued by
- the Storm Prediction Center
All 27 counties
Atascosa County, TX, Bandera County, TX, Burnet County, TX, Concho County, TX, Dimmit County, TX, Edwards County, TX, Frio County, TX, Gillespie County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, La Salle County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, Maverick County, TX, McCulloch County, TX, McMullen County, TX, Medina County, TX, Menard County, TX, Mills County, TX, Real County, TX, San Saba County, TX, Uvalde County, TX, Webb County, TX, Zavala County, TX
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 10.9 hours before the alert went out and 114 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 69 J/kg
- Mixed-layer CIN
- -193 J/kg
- Mixed-layer LCL
- 687 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:30 PM CDT | Mesoscale Discussion | SPC | Cooke, Denton, Fannin, Grayson | 60 min |
| May 8, 7:54 PM CDT | Tornado Watch | SPC | Collin, Cooke, Denton, Fannin, Grayson, Hunt | 4 hr |
| May 9, 7:47 AM CDT | Mesoscale Discussion | SPC | Brewster, Crane, Crockett, Culberson, Ector, Edwards and 18 more | 118 min |
| May 9, 3:14 PM CDT | Mesoscale Discussion | SPC | Atascosa, Bandera, Bexar, Dimmit, Edwards, Frio and 15 more | 61 min |
| May 9, 3:32 PM CDT | Tornado Watch | SPC | Atascosa, Bandera, Crockett, Dimmit, Duval, Edwards and 16 more | 7 hr |
Nearby
Mesoscale Discussions in Texas, 2007Every mesoscale discussion in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.